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Finding the Fourth Proportional to 573,464.44, 791,401.14 and 315,361.00

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Solution

The fourth proportional to 573,464.44, 791,401.14 and 315,361.00 is: 435,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,464.44 : 791,401.14 = 315,361.00 : x
  2. Step 2: Convert to fraction form
    573,464.44/791,401.14 = 315,361.00/x
  3. Step 3: Cross multiply
    573,464.44x = 791,401.14 × 315,361.00
  4. Step 4: Simplify right side
    573,464.44x = 249,577,049,377.73
  5. Step 5: Solve for x
    x = 249,577,049,377.73/573,464.44
  6. Step 6: Final answer
    x = 435,209.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.